A 45-kg crate is placed on an inclined ramp when the angle, Ask an Expert

Academics

A 45-kg crate is placed on an inclined ramp. When the angle the ramp makes with the horizontal is increased to 25 degrees , the crate begins to slide downward.

a.) What is the coefficient of static friction between the crate and the ramp?

b.) At what angle does the crate begin to slide if its mass is doubled?

View complete question

Physics, Academics

Category:- Physics
Reference No.:- M9874181

Have any Question?Write your Review or question?

Related Questions in Physics

After examining a cube-shaped object explain based on your

After examining a cube-shaped object, explain, based on your observations, why Earth is not shaped like a cube? Describe 4 reasons with evidence to support each one.

In raising a 6400-n piano with a pulley system the movers

In raising a 6400-N piano with a pulley system, the movers note that, for every 3.0 m of rope pulled down, the piano rises 0.26 m Ideally, find the force required to lift the piano. Express your answer to two significant ...

Question a textbook of mass 209kg rests on a frictionless

Question: A textbook of mass 2.09kg rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose diameter is 0.120m , to a hanging book with mass 2.99kg . The system is released fro ...

A hiker measures the angle of elevation to the top of a

A hiker measures the angle of elevation to the top of a cliff as 16.0o. She walks 1.20 km further away from the cliff on level ground, she finds the angle to be 11.0 o. a) Draw a diagram of the problem - you may ignore t ...

A ball with a mass of 15 kg is observed to move with an

A ball with a mass of 1.5 kg is observed to move with an acceleration of 6 m/s2. What is the size of the net force acting on the ball? A 2.5-kg block being pulled across a table by a horizontal force of 80 N also experie ...

In an attempt to skip a rock off the surface of a lake you

In an attempt to skip a rock off the surface of a lake, you throw the rock from a height h=1.67 m above the lake surface with an initial speed of v0 = 6.85 m/s at an angle of θ=12.3° below the horizontal. How long until ...

Question a peregrine falcon in a tight circular turn can

Question: A peregrine falcon in a tight, circular turn can attain a centripetal acceleration 1.5 times the free-fall acceleration. If the falcon is flying at 20 m/s, what is the radius of the turn? The response must be t ...

Question part a which of the following gives the correct

Question: Part A: Which of the following gives the correct permitted values of ml for l=2? Part B: A second important result is that electrons will fill the lowest energy states available. This would seem to indicate tha ...

Question a proton is accelerated from rest through a

Question: A proton is accelerated from rest through a potential difference V0 and gains a speed v0. If it were accelerated instead through a potential difference of 2V0, it would gain a speed...?

Two forced of magnitudes 60 n and 80 n act on an object

Two forced of magnitudes 6.0 N and 8.0 N act on an object. What relationship between the directions gives the smallest magnitude net force and what is this magnitude?

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Physics Expert